The String includes() method returns “true” if a string contains a specified string, if not, it returns “false”. The includes() method is case sensitive.

<!-- html element to place output -->
<p id="my_output"></p>

Example 1:

// variables
let my_message = 'Hello World';
let result =  my_message.includes('World'); // search entire string

// output to the HTML element
document.getElementById('my_output').innerHTML = result;

Example 2:

// variables
let my_message = 'Hello World';
let result =  my_message.endsWith('rld', 10); // position to start search

// output to the HTML element
document.getElementById('my_output').innerHTML = result;

Example 1:

true

Example 2:

false

string.includes(searchvalue, start)

Parameter	Description
searchvalue	The string to search for (required)
start	The position to start from (default value is 0)

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